[ 
https://issues.apache.org/jira/browse/YARN-2594?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14154913#comment-14154913
 ] 

Hudson commented on YARN-2594:
------------------------------

FAILURE: Integrated in Hadoop-Mapreduce-trunk #1913 (See 
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1913/])
YARN-2594. Potential deadlock in RM when querying 
ApplicationResourceUsageReport. (Wangda Tan via kasha) (kasha: rev 
14d60dadc25b044a2887bf912ba5872367f2dffb)
* 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppImpl.java
* hadoop-yarn-project/CHANGES.txt


> Potential deadlock in RM when querying ApplicationResourceUsageReport
> ---------------------------------------------------------------------
>
>                 Key: YARN-2594
>                 URL: https://issues.apache.org/jira/browse/YARN-2594
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.6.0
>            Reporter: Karam Singh
>            Assignee: Wangda Tan
>            Priority: Blocker
>             Fix For: 2.6.0
>
>         Attachments: YARN-2594.patch, YARN-2594.patch, YARN-2594.patch
>
>
> ResoruceManager sometimes become un-responsive:
> There was in exception in ResourceManager log and contains only  following 
> type of messages:
> {code}
> 2014-09-19 19:13:45,241 INFO  event.AsyncDispatcher 
> (AsyncDispatcher.java:handle(232)) - Size of event-queue is 53000
> 2014-09-19 19:30:26,312 INFO  event.AsyncDispatcher 
> (AsyncDispatcher.java:handle(232)) - Size of event-queue is 54000
> 2014-09-19 19:47:07,351 INFO  event.AsyncDispatcher 
> (AsyncDispatcher.java:handle(232)) - Size of event-queue is 55000
> 2014-09-19 20:03:48,460 INFO  event.AsyncDispatcher 
> (AsyncDispatcher.java:handle(232)) - Size of event-queue is 56000
> 2014-09-19 20:20:29,542 INFO  event.AsyncDispatcher 
> (AsyncDispatcher.java:handle(232)) - Size of event-queue is 57000
> 2014-09-19 20:37:10,635 INFO  event.AsyncDispatcher 
> (AsyncDispatcher.java:handle(232)) - Size of event-queue is 58000
> 2014-09-19 20:53:51,722 INFO  event.AsyncDispatcher 
> (AsyncDispatcher.java:handle(232)) - Size of event-queue is 59000
> {code}



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